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Problem rendering images with CMYK colorspace #315

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garnieretienne opened this issue May 16, 2016 · 3 comments
Closed

Problem rendering images with CMYK colorspace #315

garnieretienne opened this issue May 16, 2016 · 3 comments
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bug Existing features not working as expected

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@garnieretienne
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garnieretienne commented May 16, 2016 •
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Problem:

When using images with the CMYK colorspace, the color are changed (like a dark background).

Sample image (from google image):

Sample CMYK

Sample HTML:

<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>Test CMYK</title>
    <style>
      @page {
        size: 6in 9in;
        margin: 0;
      }

      .image {
        max-width: 100%;
        max-height: 100%;
      }
    </style>
  </head>
  <body>
    <img class="image" src="http://towerofbabel.free.fr/test/SLW_LOGO_CMYK.jpg" alt="CMYK Test Image" />
  </body>
</html>

Sample command:

weasyprint test.html test.pdf

Result:

html_pdf

System:

Ubuntu 14.04 / WeasyPrint version 0.27
Edit: Ubuntu 16.04 / Weasyprint version 0.28 affected too

Anyone having this problem too?
@liZe
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liZe commented May 16, 2016

I can reproduce and the problem appears with all my PDF readers, but it doesn't appear when you generate a PNG. It looks like a problem in the way Cairo embeds CMYK images in PDF files.

@liZe liZe added the bug Existing features not working as expected label May 16, 2016
@garnieretienne
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Converting to RGB colorspace works too, (convert cmyk.jpg -colorspace RGB cmyk2.jpg) but I'm not sure I can modify our user images (our PDF files are provided to print services).

@liZe
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liZe commented Oct 19, 2017 •
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It was a bug in Cairo and it's been fixed in 1.15.4 (commit b207a932a2d3740984319dffd58a0791580597cd).

@liZe liZe closed this as completed Oct 19, 2017
@42thcoder 42thcoder mentioned this issue Oct 22, 2017
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@liZe liZe mentioned this issue May 30, 2019
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@liZe liZe mentioned this issue May 27, 2020
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@garnieretienne @liZe